You can geolocate a model in SketchUp and get the correct sun path to test shading efficiency of a design.
Very timely info, we were just talking about a tarp for our backyard. Is it still free?
The online only version is but you can do a 30 day trial of the pro desktop version too.
@Tijmen started
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You can geolocate a model in SketchUp and get the correct sun path to test shading efficiency of a design.